The issue presents 13 papers, which based on GEM data, describes chosen results and analyses of the past 10 and 20 years that the programme has operated at Nuuk and Zackenberg respectively. The papers cover all scientific disciplines covered by GEM and some also put results into an Arctic context. An introduction and a postscript section presents the GEM history in brief and outlines the strategy for the coming years.

The special issue is open access and available on this link: http://link.springer.com/journal/13280/46/1/suppl/page/1